KR870008209A - 화상표시장치 - Google Patents

화상표시장치 Download PDF

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Publication number
KR870008209A
KR870008209A KR870000005A KR870000005A KR870008209A KR 870008209 A KR870008209 A KR 870008209A KR 870000005 A KR870000005 A KR 870000005A KR 870000005 A KR870000005 A KR 870000005A KR 870008209 A KR870008209 A KR 870008209A
Authority
KR
South Korea
Prior art keywords
electrode
liquid crystal
crystal display
column
row electrode
Prior art date
Application number
KR870000005A
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English (en)
Other versions
KR910001848B1 (ko
Inventor
요이찌 와까이
사또루 야자와
히로아끼 이께지리
요시로 우찌까와
마사히데 쯔다
Original Assignee
하마 고이찌
세이꼬 엡슨 가부시끼 가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 하마 고이찌, 세이꼬 엡슨 가부시끼 가이샤 filed Critical 하마 고이찌
Publication of KR870008209A publication Critical patent/KR870008209A/ko
Application granted granted Critical
Publication of KR910001848B1 publication Critical patent/KR910001848B1/ko

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/367—Control of matrices with row and column drivers with a nonlinear element in series with the liquid crystal cell, e.g. a diode, or M.I.M. element
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)

Abstract

내용 없음

Description

화상표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명에 의한 화상표시장치의 구성도.
제 3 도는 종래의 액정 표시체의 구동 파형도.
제 4 도는 종래의 데이타선측 구동회로도.
*도면의 주요부품에 대한 부호의 설명
101 : 액정 표시부 104 : 열전극 105 : 행전극
106 : 비선형 2단자 소자 107 : 액정층 102 : 코몬선측 구동회로
103 : 데이타선측 구동회로 1007,1008 : 전하 방전신호

Claims (2)

  1. 복수의 행전극 및 열전극과, 양전극 간에 배치된 액정표시층과, 이 액정표시체와 행전극 혹은 열전극 간에는 전류-전압 특성이 비선형인 소자가 배치되는 액정 표시부,
    선택시에는 열전극-형전극 간의 실효 전압이 크며, 비선택시에는 열전극-행전극 간의 실효 전압이 작은 행전극 전압을 발생하는 코몬선측 구동회로,
    계조 표시용으로서 펄스폭 변조 신호를 열전극으로 발생되는 데이타선측 구동회로로 되는 화상표시장치에 있어서,
    상기 데이타선측 구동회로에서 발생하는 펄스폭 변조 신호는, 선택 기간에 있어서, 그 펄스는 이 기간의 후연까지 연속적인 것을 특징으로 하는 화상표시장치.
  2. 제 1 항에 있어서, 상기 선택 기간의 후연에서는, 선택기간 중에 상기한 액정 표시층에 충전된 전하를 방전해야 할 선택 기간중에 부가된 열전극-행전극 간의 전압과는 역극성의 전하 방전 신호가, 열전극-행전극 간에 부가되는 것을 특징으로 하는 화상표시장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870000005A 1986-02-06 1987-01-05 화상 표시 장치 KR910001848B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24338 1986-02-06
JP2433886 1986-02-06

Publications (2)

Publication Number Publication Date
KR870008209A true KR870008209A (ko) 1987-09-25
KR910001848B1 KR910001848B1 (ko) 1991-03-28

Family

ID=12135392

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000005A KR910001848B1 (ko) 1986-02-06 1987-01-05 화상 표시 장치

Country Status (5)

Country Link
US (1) US4743096A (ko)
KR (1) KR910001848B1 (ko)
GB (1) GB2186414B (ko)
HK (1) HK29291A (ko)
SG (1) SG60190G (ko)

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Also Published As

Publication number Publication date
GB8702297D0 (en) 1987-03-11
GB2186414A (en) 1987-08-12
HK29291A (en) 1991-04-26
GB2186414B (en) 1989-11-01
KR910001848B1 (ko) 1991-03-28
US4743096A (en) 1988-05-10
SG60190G (en) 1990-09-07

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